Searching for and downloading "cracked" versions of PDF-XChange Editor 9 (or any version) is highly discouraged for several reasons:
Unofficial versions are often modified in ways that make them unstable, leading to frequent crashes or document corruption. pdf-xchange-editor-9-with-crack-free-download
Cracked software cannot receive critical security patches or feature updates from the developer, Tracker Software. pdf-xchange-editor-9-with-crack-free-download